239D and 249D Compact Track Loaders and 226D and 232D Skid Steer Loaders Caterpillar


Accumulator (Ride Control) - Test and Charge

Usage:

249D AH9

简介

执行此测试是为了确保行驶控制正确启动。

测试准备

执行任何测试之前,目视检查整个液压系统有无漏油和损坏的零件。 请参阅测试和调整, "目视检查"。 执行任何测试之前,进行诊断与排除前的机器准备工作。 参考测试和调整, "故障排除前的机器准备工作"。

测试步骤

注: 应使用规格适合机器的空的通用铲斗进行测试。

注: 液压油温度应为 50° ± 10°C (122° ± 18°F)

  1. 系紧座椅安全带。 放下扶手。

  2. 起动发动机。 分离停车制动器。 以高怠速运转发动机。

  3. 将提升臂从提升臂的止点升起大约 178 ± 25 mm (7 ± 1 inch)

  4. 向前行驶机器,直到达到行驶控制启动速度,且行驶控制指示灯点亮。

  5. 观察提升臂是否向下运动大约 64 ± 13 mm (2.5 ± 0.5 inch)。 该运动表明行驶控制系统功能正常。

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